David Einhorn’s Greenlight Capital suffered its worst performance ever relative to the S&P 500 last month. “As the market shifted from ‘grind-up’ to ‘straight-up’ in January, our long portfolio only rose about half of S&P 500, while our short portfolio more than doubled the index,” Einhorn said on a conference …

Dating app Tinder could see new user growth cut in half by the end of June unless it gets more kindling, J.P. Morgan said. Tinder’s stock notched a closing high on Tuesday after swelling nearly 150 percent over the past 12 months, far outpacing the broader market. The company introduced …

Moeletsi Mabe | Sunday Times | Gallo Images | Getty Images South African President Cyril Ramaphosa and Finance Minister Malusi Gigaba during a pre-World Economic Forum briefing on January 18, 2018, in Johannesburg, South Africa. South Africa is to increase its value added tax (VAT) for the first time in …

Aaron P. Bernstein | Reuters Chairman Ajit Pai speaks ahead of the vote on the repeal of so called net neutrality rules at the Federal Communications Commission in Washington, December 14, 2017. The U.S. Federal Communications Commission is expected to publish on Thursday its December order overturning the landmark Obama-era …

Getty Images A Secret Service officer stands guard on the roof of the White House following a temporary lock down May 31, 2017 in Washington, DC. The U.S. Secret Service evacuated a government office building near the White House, closed down adjacent streets and cleared pedestrians from sidewalks on Wednesday …

Sean Gallup | Getty Images A worker walks among pipes and valves at the Dashava natural gas facility in Dashava, Ukraine. Ukraine is worried that one of Europe’s most contentious energy developments will leave its gas pipeline vulnerable to a Russian attack, according to a leading political risk expert. The …

Kevin Lamarque | Reuters White House Senior adviser Jared Kushner sits behind U.S. President Donald Trump during a cabinet meeting at the White House in Washington, U.S., November 1, 2017. WASHINGTON — A crackdown on security clearances at the White House won’t have any impact on the work of Jared …

Amazon is just one click away from crossing $1,500, says TradingAnalysis.com founder Todd Gordon. Shares of the online retailer are up 25 percent this year and trading just 1 percent below the next round-number milestone. The trader sees two bullish signs in charts of Amazon that lead him to believe …

Chris Ratcliffe | Bloomberg | Getty Images A collection of bitcoin, litecoin and ethereum tokens. A glitch at a Japanese cryptocurrency exchange allowed some users to buy digital currencies for free, heightening concerns over the security of such trading platforms. Zaif, which is run by Tech Bureau Corp, and registered …

Yui Mok/PA Images via Getty Images A KFC restaurant in Clapham, south London KFC expects some of its U.K. outlets to remain closed for the rest of the week, as a result of chicken shortages across the country. Around half of the fast-food chain’s 900 stores in Britain were closed …