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Wednesday's market has seen significant movements in various stocks, with some notable fluctuations in the mega-cap and large-cap categories. Alibaba-exch and Tesla Motors (NASDAQ: TSLA ) are among the companies experiencing substantial intra-day stock movements, while CVS Corp and Zillow Group Inc (NASDAQ: ZG ) have also made headlines. Here's a closer look at some of the day's biggest stock movers, spanning from mega-caps to small caps.

Mega-Cap Movers (Market Cap $200B+):

• Alibaba-exch (BABA): +5.28%; a standout performer with a notable jump in trading volume.
• Tesla Motors (TSLA): +4.49%; continues to see volatility with a significant rise today.
• Palantir Technologies Inc (NASDAQ: PLTR ): +3.7%; showing strong performance with a substantial YTD return.
• Exxon Mobil (NYSE: XOM ): -2.45%; facing a downturn amidst today's trading.
• Oracle Corp (NYSE: ORCL ): -2.71%; experiencing a slight retreat from the previous close.
• Home Depot (NYSE: HD ): -2.48%; a slight decrease following its previous close.

Large-Cap Stock Movers (Market Cap $10B-$200B):

• CVS Corp (CVS): +15.42%; CVS HEALTH CORPORATION REPORTS FOURTH QUARTER AND FULL-YEAR 2024 RESULTS; leading today's large-cap movers.
• Futu Holdings (NASDAQ: FUTU ): +9.67%; showing a strong uptick in today's session.
• Zillow Group Inc (ZG): -9.82%; Zillow and Redfin (NASDAQ: RDFN ) partner to make apartment hunting easier and give listings more exposure; however, the stock sees a decline.
• Venture Global Inc (VG): -7.82%; a downturn following its previous market close.
• Tenet Healthcare (NYSE: THC ): -8.51%; Tenet Healthcare beats Q4 estimates, shares rise; despite positive news, the stock is down.
• Westinghouse Air Brake Tech (NYSE: WAB ): -8.28%; Wabtec shares tumble nearly 8% on earnings miss, weak guidance; the news impacts the stock negatively.
• Comfort Systems USA Inc (NYSE: FIX ): -8.2%; in the red for today's trading.
• Waters Corp (NYSE: WAT ): -7.37%; Waters reports strong Q4 results, but guidance disappoints; resulting in a drop.

Mid-Cap Stock Movers (Market Cap $2B-$10B):

• Upstart Holdings Inc (NASDAQ: UPST ): +31.65%; Upstart stock soars 20% on strong Q4 revenue, upbeat 2025 outlook; the biggest gainer in the mid-cap segment.
• Confluent (CFLT): +22.98%; Confluent, Databricks enhance AI with new data integrations; experiencing a significant surge.
• OneStream (OS): -20.38%; OneStream Announces Fourth Quarter and Fiscal Year 2024 Financial Results; however, the stock takes a hit.
• Teradata (NYSE: TDC ): -18.61%; Teradata shares plunge 15% on disappointing guidance as Q4 revenue misses estimates; facing a steep decline.
• Everus Construction (ECG): -17.77%; Everus Reports Strong Fourth Quarter and Full Year 2024 Results, Initiates Guidance for 2025; yet, the stock drops.
• Blackline Inc (NASDAQ: BL ): -17.15%; Blackline shares tumble on weak earnings and guidance; stock falls sharply.
• GigCapital4 (BBAI): +17.74%; a significant positive move in today's trading.
• Pony Ai Inc (PONY): +13.7%; showing a strong uptick despite a negative YTD return.
• 21Vianet Group (NASDAQ: VNET ): +14.69%; leading the mid-cap movers with a sharp increase.
• Allison Transmission (NYSE: ALSN ): -12.79%; Allison Transmission stock tumbles 8% on weak guidance despite Q4 beat; the stock experiences a downturn.

Small-Cap Stock Movers (Market Cap $300M-$2B):

• NuStar GP Holdings LLC (SPIR): -52.29%; the most significant drop in the small-cap category.
• SimilarWeb (SMWB): -28.49%; Similarweb (NYSE: SMWB ) stock plunges on weak Q1 guidance, earnings miss; facing a significant sell-off.
• STAAR Surgical (NASDAQ: STAA ): -24.43%; STAAR Surgical stock plummets as Q4 results miss estimates, outlook disappoints; the stock sees a sharp decline.
• Ehang Holdings Ltd (NASDAQ: EH ): +22.02%; a notable gainer amid today's small-cap movers.
• Dennys Corp (NASDAQ: DENN ): -21.06%; Denny's stock plunges on weak Q4 results, cautious outlook; experiencing a significant downturn.
• AnaptysBio Inc (NASDAQ: ANAB ): +22.75%; Anaptys to Announce Top-line Data from Phase 2b Trial of Rosnilimab, a PD-1 Depleter and Agonist, in Rheumatoid Arthritis on Feb. 12, 2025; the stock is on the rise.
• Redwire (RDW): +16.72%; Redwire Awarded Contract to Lead Study for the European Space Agency's Next (LON: NXT ) Dark Matter Mission; moving upwards.
• Grail (GRAL): +17.3%; showing a strong performance with a significant increase.

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