Stocks making the biggest moves midday: Tesla, Robinhood, Nvidia, Cognizant and more

This stock is due for massive gains on the heels of its recent supply agreement with American Electric Power, according to Piper Sandler.

These are the stocks posting the largest moves in midday trading.

The Dow and S&P 500 closed at all-time highs on Monday, with both surpassing key levels as the trading day ended for the first time.