Shares of Palo Alto Networks (PANW) are plummeting in pre-market trading after the cybersecurity company reported better than expected fiscal second quarter results but lowered its forecast for full-year revenue growth.

Online healthcare company Teledoc (TDOC) is also seeing substantial pre-market weakness after reporting fourth quarter revenue that missed analyst estimates and providing disappointing guidance.

Shares of SolarEdge Technologies (SEDG) are also likely to see an initial sell-off after the solar inverter maker reported mixed fourth quarter results and forecast first quarter revenue below expectations. Meanwhile, shares of Toll Brothers (TOL) are likely to move to the upside after the homebuilder reported fiscal first quarter results that exceeded analyst estimates on both the top and bottom lines.