Business ReportAFTER THE BELL: Down day on TSX, Nasdaq continues to falter SHARE ON: Troy Landreville, staff Monday, Jul. 30th, 2018It was a down day for markets across North America.The TSX dropped 48 points to 16,345 with 8 of the index’s 11 major sectors finishing lower today. Gains in heavyweights energy and financials kept losses in check.On Wall Street, the tech-heavy Nasdaq continues to falter, with Netflix, Google parent Alphabet, and Facebook shares all dropping.The Nasdaq tumbled 107 points to 7,630, its third straight loss of at least a point. That’s the first time that’s happened in three years.Meanwhile, a U.S. heavy equipment maker is riding high.Caterpillar announced Q2 sales and revenues of $14 billion, compared with $11.3 billion in the Q2 of 2017, a 24 percent increase. The U.S. company also raised its 2018 profit per share outlook to a range of $10.50 to $11.50. Caterpillar shares rose more than a percentage point today, and initially helped lift the Dow Jones Industrial average.However, the Dow Jones ended up dropping 144 points to 25,306.Oil is up $1.27 to $69.00 a barrel, gold is down $3.50 to $1,222 an ounce and the loonie is up more than a tenth a cent to 76.72 cents U.S.