Dow loses 1,200 points, bond yields tumble as oil crashes

New York • Stocks fell sharply Monday on Wall Street on a combination of coronavirus fears and plunging oil prices, triggering a brief, automatic halt in trading to let investors catch their breath.The price of oil sank nearly 20% after Russia refused to roll back production in response to falling prices and Saudi Arabia signaled that it will ramp up its output.While low oil prices can eventually translate into cheaper gasoline, they are wreaking havoc on already struggling energy companies