Nvidia Stock Heads for 5-Day Winning Streak. The AI Trade Is Back.

Nvidia stock was edging up further Friday as traders returned to the artificial-intelligence trade after a period of market turmoil and geopolitical tension. Shares of the chip maker were up 0.4% to $155.62 in premarket trading, on track to rise for a fifth straight day. It comes after Nvidia shares hit a record high Wednesday, surpassing Microsoft to reclaim the crown as the world’s most valuable company.