SanDisk Stock Just Became Overbought After 20% Surge in SNDK. How Should You Play the Top S&P 500 Name Here?

SanDisk (SNDK) shares closed more than 25% higher on Tuesday after the Nasdaq-listed firm rebranded its internal solid-state drive lineup as “SanDisk Optimus™.”

The rally pushed SNDK’s short-term relative strength index (9-day) to 85, signaling overbought conditions that often precede a sharp pullback.