Today’s S&P 500 Stocks Show Significant Movement

Midday trading on Thursday brought notable S&P 500 volatility. Today’s session saw several stocks post significant moves across sectors.

Top gainers

• BROWN-FORMAN CORP-CLASS B (BF.B) rose 16.22%, closing at $27.30. The share is down 31.75% over the past year.
• VALERO ENERGY CORP (VLO) climbed 5.43% to $247.26. The stock is about 43.0% higher than three months ago.
• BEST BUY CO INC (BBY) gained 5.18%, finishing at $63.53. The share has fallen 20.68% over six months.
• DIAMONDBACK ENERGY INC (FANG) moved up 3.98% to $203.82. The stock is 33.98% higher versus three months prior.
• APA CORP (APA) rose 3.94% to $42.95. The stock gained 48.42% in the last month.
• EOG RESOURCES INC (EOG) added 3.57%, closing at $148.32. The company scheduled a conference call and webcast of Q1 2026 results for May 6, 2026.
• TYLER TECHNOLOGIES INC (TYL) increased 3.46% to $342.95. The stock is down 28.11% over the past three months.
• CONOCOPHILLIPS (COP) rose 3.42% to $133.34. The share is up 40.85% versus three months ago.
• GARTNER INC (IT) advanced 3.39% to $155.33. A shareholder-alert related press release was issued earlier today.
• PHILLIPS 66 (PSX) gained 3.19%, closing at $187.08. The company announced an extension of a second open season for Western Gateway capacity yesterday.

Top losers

• SANDISK CORP (SNDK) fell 9.33% to $614.63. The stock rallied 171.0% over the past three months before today’s drop.
• CIENA CORP (CIEN) dropped 8.86% to $398.92. The share is up 23.88% over the last month.
• APPLOVIN CORP-CLASS A (APP) slid 8.84% to $398.08. The stock has fallen 38.86% in the past three months.
• LAM RESEARCH CORP (LRCX) declined 8.34% to $213.99. The share rose 31.1% over the previous three months.
• SEAGATE TECHNOLOGY HOLDINGS (STX) dropped 7.32% to $382.97. The stock had climbed 44.37% in the last three months.
• META PLATFORMS INC-CLASS A (META) fell 7.30% to $551.45. The share is down 20.01% over six months.
• CORNING INC (GLW) slid 6.81% to $136.39. The stock was up 63.39% over three months prior to the decline.
• COMFORT SYSTEMS USA INC (FIX) declined 6.66% to $1.37K. The share is trading 52.58% higher than three months ago.
• ARISTA NETWORKS INC (ANET) fell 6.54% to $126.17. The stock is 73.22% higher than a year ago.
• WESTERN DIGITAL CORP (WDC) dropped 6.52% to $276.83. The share is up 63.13% versus three months earlier.

Market context and where to find full lists

Energy and tech names stood out among both winners and losers. Press releases boosted activity in several tickers. Filmogaz.com tracks today’s S&P 500 stocks movement and provides full top-gainers and top-losers pages for further details.