Can Company Earnings Affect Stock Price Movements?

For the past two weeks of ISM, I have focused on assessing the effects of earnings calls. I have recently been monitoring the movements of the Zoom stock. The stock kept rising to about $479 per share, till their earnings call on November 30, 2020. The report showed an outstanding year on year total revenue up of 367%. However, the stock tanked fast on November 30, 2020. This was partially due to the selling spree which accompanied news of a vaccine.

I have observed this before as well. The reports of a stock's underlying company may not necessarily dictate significant price movements.

I further studied the different types of buy, sell, and stop-loss orders: and how to place them without causing accidental order executions. This would be useful as somewhat of a next step to my original work. Where if the strategies and algorithms I collect are successful enough, they can be tested with live risk. This would be tested with dummy trading if the service is providing non-delayed quotes. I am looking forward to testing mean reversion strategies on a few stocks and indexes to understand how well they perform. I also must not go after too many strategies. As professional Jay Vyas and I discussed, more data leads to more confusing patterns.