However even with the Big Caps.
The industry will make shit up all the time to justify why a stock should go higher and sometimes even lower.
There is also lots of short squeezing with stocks like $TSLA etc so you have to be open minded of the possibilities.
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If you have large amounts of money to trade and you are looking to score on options or make a couple of % gain a day.
Then you trade Big Caps like $AAPL.
Then fundamentals matter because the big money follows the analyst's recommendations.