Today's Dow and Volume Chart

The chart below is the Dow - note the surge in volume as the end of the trading day approached.

But there was one winner on Thursday - the venerable Smith & Wesson, maker of handguns and beneficiary of the US Supreme Court’s decision that Americans have an individual right to bear arms.

SWHC rose 6.7 per cent after the Court ruled that Washington DC’s handgun laws violated the Second Amendment to the Constitution.