Stocks Swing Widely on Tuesday; Rambus Plunges as Centene, Sanmina and Several Small Caps Rally
Tuesday's trading session featured pronounced shifts across market-cap segments. Large-cap technology and semiconductor names led declines among mega-caps, while healthcare and selected small- and mid-cap companies posted double-digit gains after earnings beats, analyst ratings and early-stage trial news. Rambus fell sharply on an analyst downgrade…