Up 200% in 6 Months, Is This Supercharged Stock Still a Buy?

Thanks to financial performance that appears to be stabilizing, shares of Upstart (UPST -1.27%) are on the upswing. In the past six months, they have soared 200% (as of Nov. 22), trouncing the 13% total return of the S&P 500 index during the same period.Is it time to buy this supercharged fintech stock now that it's got some serious momentum on its side?Back to growthUpstart shares are surging thanks to two straight quarterly financial updates that were well received by the market. During the latest period ...