Then you should buy it quickly.

Buy on a big drop in the morning, sell on a big rise in the morning; do not chase a big rise in the afternoon, buy the next day after a big drop in the afternoon; do not cut losses on a big drop in the morning, sleep if it doesn't rise or fall; do not sell if it doesn't spike, do not buy if it doesn't plunge, do not trade in a sideways market. Now you can buy in batches to wait for a rebound.