Wall Street News

One of Wall Street’s top cybersecurity czars is leaving Goldman Sachs Group Inc. to help take charge of the cleanup at Capital One Financial Corp., which was left reeling after one of the largest data breaches at a major U.S. …

Warren Buffett’s entry into the bidding for Transatlantic Holdings is drawing fresh attention to the reinsurance industry, which specializes in writing insurance for insurers in a way that frees up those companies to take on more risk. With cheap valuations …