6 Stocks Moving In Tuesday's After-Hours Session

Gainers

GenMark Diagnostics GNMK shares are trading higher after the company raised 2020 sales guidance.
Idera Pharmaceuticals IDRA shares are trading higher after the company announced a $20.7 million private placement.
Anterix ATEX shares are trading higher after the company announced it signed a Letter of Intent with Ameren for a long-term lease of 900MHz broadband spectrum.
Annaly Capital Management NLY shares are trading higher after the company issued Q1 EPS guidance.

TAL Education TAL shares are trading lower after the company reported it discovered employee wrongdoing in its internal auditing process which accounts for 3-4% of the company's total estimated sales.
Yuma Energy YUMA shares are trading lower after the company announced it has been notified by its lender that all outstanding payments under its credit agreement are currently due and that its restructuring agreement with Red Mountain has been terminated.