Here are a few Links we like and found useful for stocks research. If you have any other ones please use our contact us form to share.

Biotech Catalyst Search: (Subscribe to his premium membership – EXTREMELY valuable service)
https://www.biopharmcatalyst.com/calendars/fda-calendar

Link to Volume Alert:
https://www.nasdaq.com/markets/unusual-volume.aspx

Short % for stocks:
http://shortsqueeze.com/

Short Positions Chart:
http://www.wsj.com/mdc/public/page/2_3062-nasdaqshort-highlites.html#shortF

Insider Buying/Selling:
http://www.openinsider.com/
Latest Insider Buying
Latest Insider Sales

Baker Bros positions (Great for Biotech investing):
https://www.nasdaq.com/quotes/institutional-portfolio/baker-bros-advisors-lp-596248
http://www.openinsider.com/insider/Baker-Bros.-Advisors-LP/1263508
Perceptive Advisors:
http://www.openinsider.com/insider/Perceptive-Advisors-LLC/1224962

My Finviz Screener:
https://finviz.com/screener.ashx?v=111&f=sh_avgvol_o500,sh_curvol_o1000,sh_price_u50,sh_relvol_o1.5,sh_short_o5,ta_perf_dup&ft=3

Earnings Calendar:
http://mmm.wallstreethorizon.com/cal_gen/cal_gen.asp?opt=/BIZWIRE&date=

EDGAR – Notice of Effectiveness. Companies filing effect forms with EDGAR system.
https://www.sec.gov/cgi-bin/browse-edgar?action=getcurrent&type=EFFECT