The signal has preceded some major stock-market selloffs in the past, one analyst notes.

POET Technologies Inc. stock fell on dilution fears, but new capital may drive bigger gains. Click for this updated look at ...

Helene Meisler reveals why the $3 trillion tech rout is hitting a floor and which software stocks are primed for a major ...

Execution risk remains — integration always brings risk — but strategically, the logic of this deal is compelling.