Why is Ballard Power stock gaining today?

The Paramount Pictures logo is displayed on a water tower in Los Angeles, California, on August 6, 2026. Michael Yanow | Nurphoto | Getty Images Paramount Skydance will seek to force the states holding up its merger with Warner Bros. Discovery to pay for the fees and costs associated with the delay, according to a…

We study the optimal design and analysis of experiments for estimating spillover effects. Assuming a known (e.g., linear) exposure mapping, we characterize the treatment-assignment distribution and regression-based estimator that minimize worst-case asymptotic variance against a broad class of distributions of unobservables. The design problem yields an intuitive solution in which the planner trades off spillover…

A research group looked at the consequences for a student financing college, a family buying a home and a Social Security recipient.

Even with the Russian economy suffering from low growth, high inflation, and relentless Ukrainian long-range drone strikes on energy infrastructure, President Vladimir Putin has thrown fiscal caution to the wind and allowed the government’s budget deficit to balloon to 2.8% of GDP. It isn’t likely to end well. MUNICH—The broad consensus among Russia-watchers is that…

Los Angeles Dodgers chairman Mark Walter during a press conference announcing a new partnership between the Los Angeles Dodgers and UNIQLO at Dodger Stadium in Los Angeles on Wednesday, March 25, 2026. Keith Birmingham | MediaNews Group | Pasadena Star-News | Getty Images Carvana shares are headed for a double-digit weekly loss as a federal…