Toronto stocks ended lower on Friday as investors sold off on a week’s worth of gains. The S&P/TSX composite index fell 21.14 points, or 0.21%, to close at 9,947.57.

Volume was 328 million shares.

During the session, the senior exchange temporarily charged through the psychologically important 10,000-point plateau, hit a peak of 10,045.29.

On the week, the benchmark index was up 1.61%

Seven out of the 10 major sectors closed lower Friday, with telecommunications services off by 0.53% and materials down 0.68%.

The information technology sector advanced 0.94%, with Nortel Networks up 15¢, or 4.7%, to $3.34 in heavy trading.

The junior S&P/TSX Venture composite index ended up 13.33, or 0.78%, to end 1,726.35.

In New York, markets advanced despite gas production worries and an ever-widening U.S. trade deficit.

The Dow Jones industrial average rose 44.42, or 0.42%, to finish at 10,623.07, the Nasdaq ticked ahead 0.96 points, or 0.05%, to close at 2,090.11, and the S&P 500 lifted 6 points, or 0.5%, to end 1,216.96.

Concerns over insufficient gas supplies from U.S. refineries drove light sweet crude for July delivery $1.32 higher to US$57.90 a barrel on the New York Mercantile Exchange.

The U.S. Commerce Department said the deficit on the current account increased by 3.6%, to US$191.1 billion, from the fourth quarter’s previous record of US$188.4 billion.

For the week, the Dow was up 1.07%, the S&P 500 was up 1.58%, and the Nasdaq was up 1.31%.