Ciena shares tumbled nearly 14% Thursday after the networking systems company's fiscal second-quarter profit fell short of ...

The bill seeks to extend tax breaks, set during Trump’s first term in 2017 and on track to expire at the end of 2025, for multinational corporations. It is also expected to fulfill many of Trump’s ...

Ciena swung to a profit and posted higher sales in its fiscal second quarter, as continued investments in cloud and artificial intelligence accelerated demand.

Cigna faces turbulence as proposed Medicaid cuts cast shadows on its financial forecast, despite strong first-quarter ...

This was the stock's second consecutive day of losses.