Dow jumps 300 points as oil and yields ease to start week: Live updates – CNBC

Dow jumps 300 points as oil and yields ease to start week: Live updates  CNBCStock markets climb worldwide after oil prices and bond yields give back some of last week’s jumps  Pittsburgh Post-GazetteUS Stock Futures Climb Ahead of Trump-Xi Meeting as Oil Slips  Bloomberg.comStock Market Today: Dow, S&P 500 and Nasdaq open higher as investors cheer oil price drop and pullback in yields  MarketWatchStock Market Today: Dow Futures Gain as Oil Prices Fall — Live Updates  WSJ

The three major averages began Monday's session in the green. The Dow Jones Industrial Average gained 307 points, or 0.6%, just after the opening bell. The S & P 500 rose 0.6%, and the Nasdaq Composite advanced 0.8%. — Sean Conlon Shares of Ciena are up more than 6% in the premarket Monday after Evercore ISI upgraded the high-speed networking equipment provider to outperform from in-line, while increasing its price target to $550 from $375, implying a 58% upside. The firm sees further upside to Ciena's business solutions which are used to power artificial intelligence.

In particular, the company's optical networking segment is "quickly emerging as a critical bottleneck in the AI buildout," analysts wrote, while adding other avenues for growth that should lead to margin expansion. CIEN 1D mountain CIEN, 1-day — Paulina Likos Here are some of the companies making headlines in premarket trading: Paramount , Warner Bros. Discovery — Shares jumped over 5.8% and 7%, respectively after The Wall Street Journal reported over the weekend that ​Paramount and California's