third over the next decade by relying more on natural gas and biofuels and by improving the fuel efficiency of vehicles. On the New York Mercantile Exchange (Nymex), the natural-gas contract for May delivery was up 9 cents, or more than 2 percent, to nearly $4.36 per 1,000 cubic feet. In U.S. company news, shares of drugmaker Cephalon jumped more than 29 percent, above a $5.7 billion unsolicited buyout offer from Valeant Pharmaceuticals International, in a sign that investors expect a higher bid. The U.S. dollar fell versus the euro but rose versus the yen. Light sweet crude oil for May delivery fell 52 cents to $104.27 a barrel on the New York Mercantile Exchange, after a government report showed U.S. crude inventories rose more than expected last week. Gold futures rose $7.40 to $1,424.90 an ounce. The Dow Jones industrial average rose 71.6, or 0.6 percent, to 12,350.61. The broader Standard & Poor's 500 index rose 8.82, or 0.7 percent, to 1,328.26. The technology-heavy Nasdaq composite index rose 19.9, or 0.7 percent, to 2,776.79.
