Most actively traded companies on the TSX

Some of the most active companies traded Wednesday on the Toronto Stock Exchange:

Toronto Stock Exchange (14,502.99, up 11.94 points):

Student Transportation Inc. (TSX:STB). Transportation. Down 34 cents, or 5.73 per cent, to $5.59 on 5.6 million shares.

First Quantum Minerals Ltd. (TSX:FM). Miner. Down 64 cents, or 6.32 per cent, to $9.49 on 5.3 million shares.

Bombardier Inc. (TSX:BBD.B). Aerospace, rail equipment. Down six cents, or 3.64 per cent, to $1.59 on 5.1 million shares.

Encana Corp. (TSX:ECA). Oil and gas. Down 67 cents, or 6.96 per cent, to $8.96 on 4.9 million shares.

Canadian Natural Resources Ltd. (TSX:CNQ). Oil and gas. Up nine cents, or 0.28 per cent, to $32.34 on 4.4 million shares.

Pacific Rubiales Energy Corp. (TSX:PRE). Oil and gas. Up seven cents, or 1.92 per cent, to $3.72 on 3.4 million shares.

Companies reporting major news:

Indigo Books & Music Inc. (TSX:IDG). Retail. Up 38 cents, or 3.58 per cent, to $11.00 on 138,976 shares. A weaker Canadian dollar left a mark on the bottom line of Indigo Books & Music Inc. in the latest quarter. The company’s chief financial officer Laura Carr says the company took a $3 million hit on its bottom line during the first quarter ended June 27, a direct impact from the exchange rate with the U.S. dollar.