Tech stocks such as Nvidia, Arm and Super Micro have taken over the market. What if you own these stocks?

Tech stocks such as Nvidia , Arm Holdings and Super Micro Computer have led the stock market.

With any fast gainers, be on the lookout for a climax top.

Nvidia stock flashed a bullish "power from pivot flag" on its chart, as it climbed 24% from its buy point in 15 days .

Nvidia is expected to report its fourth-quarter earnings Feb. 21 .