The S&P 500 rose just 0.4% on Wednesday, but the calm headline hid huge single-stock swings: PayPal jumped 17.2% while Pentair fell 15.0%. The spread between the day’s best and worst names shows how much individual risk sits beneath a quiet index.
The S&P 500 returned +0.4% on the last trading day, a quiet session that masked extreme moves in individual names. PayPal was the day’s strongest stock, returning +17.2%, while the weakest, Pentair, dropped 15.0%. That gap between the top and bottom performers is the story the index level alone does not tell.
Winners that had already been running
PayPal also appears on the one-month winners list with a return of +33.7%, which suggests the single-day move is an extension of prior strength. Behind it on Wednesday came BlackRock, up 6.6%, and CBRE, up 6.2%.
Apple led a separate list of 24 S&P 500 stocks at 52-week highs. Of those 24 names, 17 were financials.
Losers with weakness building for weeks
Both SanDisk and Marvell Technology appear on the one-day and one-month losers lists, with respective one-month returns of -18.4% and -26.2%, indicating their weakness has been building for weeks. On the day itself, Erie Indemnity fell 11.9% and Dell Technologies lost 9.8%.
IBM sat at the extreme. It topped a separate 52-week-low list, where its stock has declined 22.4% over the last month even though its revenue grew 9.7% over the last twelve months. Pentair joined it on the lows, down 12.8% over the month.
The same volatility that filled the winners column filled the losers column, and a flat index reading gave away none of it.
Sources: Trefis, Trefis, Trefis
Trading involves risk.
Risk Disclaimer
