I found out that the catalyst news will affect the price around 2 or more days. Take some example.

DRYS: The stock has keep crashing 2 days from 1.9 to 1.2 after the class action news. The supporting line is 1.1. I will deep buy if the price hit 1.1 for the stock.

LBUY: The stock has keep going up for 2 days from 1.8 to 2.4 after the business expansion news. Given the price is already high above the supporting line 1.6. The stock may crash anyway.

ESIO: The stock has keep going up for 2 days from 8.4 to 9.6 with one strong bounce and one strong spike after the earning winner news. The supporting line is 8.4. I will choose to short the stock after the second bounce. 

MTBC: The price crash from 2.4 to 1.4 given no catalyst news and the price has going up for no reason. The price is close to its supporting line 1.2. I will deep buy the stock when the price his 1.3 today.

ENVV: no catalyst news. High is 0.4, and law is 0.24. Currently 0.32. I will not touch this stock. The chart is too bumpy.

PGSY: no catalyst news. I will not touch.

RETC: no catalyst news. I will not touch.

SLDC: no catalyst news. I will not touch.

TMQ: no catalyst news. I will not touch.

TEAR: A company with huge negative EPS. The stock price drup for no reason. I will not touch this stock. Given I did not understand the price movement.

DCTH: has catalyst news that the stock has earning surprise. The catalyst last 2 days recently. However, the supporting line is 0.08. I will only deep-buy a small amount for specualtion, given the resistance wall showed when price went up.

Surprise

Delcath Systems, Inc. (DCTH) surprised the stock market in its last reported earnings when it earned -$0.66 a piece versus the consensus-estimated -$3.29. Its revenue totaled $560000 up 9.8% from the previous quarter.