Boeing Led October 27 Losers With a 10.75% Slide to $168.07
As seen on the 24/7 Wall St. homepage on October 27, 2026.
Boeing's 10.75% drop to $168.07 was the heaviest close in a 382-name priority list, with three big refiners right behind it. On the other side, Navitas led the gainers at +11.13%.
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Boeing closed at $168.07 on October 27, 2026, a decline of 10.75% that made it the worst performer in a 382-name priority list tracked at the session close. That is a meaningful single-day move for a stock of Boeing's scale, and it placed the aerospace giant well ahead of the next-largest losers.
Three major refiners occupied the next three spots on the loser side: Valero Energy, Marathon Petroleum and Phillips 66. The clustering of all three large independent refiners in a single session's worst performers points to broad-based pressure across the refining sector.
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Healthcare real estate investment trust Welltower rounded out the five biggest decliners, closing down 5.52% at $227.34. Its appearance alongside industrials and energy names underlines how widespread the selling was across sectors on the day.
Gains centered on semiconductor and digital infrastructure names, with Navitas Semiconductor leading at an 11.13% gain, followed by Astera Labs, Applied Digital, Cipher Digital and American Superconductor. The concentration of gains in chip-adjacent and power technology companies came as selling pressure hit industrials and energy.