The S&P/TSX Composite index (INDEXTSI:OSPTX) climbed again last week, rising 0.92 percent to close the five-day period at 15,075.44 points.

On Friday, the Financial Post reported the index soared over 15,000 points for the first time in over a year. If the trend holds up, it could be the first time since 2010 the TSX outperforms the S&P 500.

Companies that registered the highest gains over the five-day period included:

  • Sherritt International (TSX:S)
  • Atalaya Mining (TSX:AYM)
  • Nevada Copper (TSX:NCU)
  • HudBay Minerals (TSX:HBM)
  • Amerigo Resources (TSX:ARG)

Here is a closer look at those companies:

Sherritt International

Sherritt International is a global producer of nickel, with operations in Canada, Cuba and Madagascar. In addition to nickel producing, the company is the largest independent energy producer in Cuba, particularly with oil and power operations.

Over the five-day period, shares of Sherritt increased 46.81 percent to close the week at $1.38.

Atalaya Mining

Next on the list is Atalya Mining, whose shares spiked 36.13 percent last week to $2.60.

Atalaya Mining is new to the copper space in Europe, whose primary focus is on the Proyeco Riotinto asset. According to its website, the company has 153 million tonnes of ore with 680,000 tonnes of that being copper. By the end of 2016, it is expected the Expansion Project will ramp up processing capacity to 9.5Mtpa.

Nevada Copper

Sitting in the middle of last week’s 5 top gaining TSX stocks is Nevada Copper, who owns a 100 percent interest in the Pumpkin Hollow Copper Development property in Nevada. According to the company’s website, the property is the largest advanced stage development copper property, including other reserves such as gold, silver and iron.

Shares of Nevada Copper cruised upwards by 33.33 percent last week to $0.80.