Aug 4 : Caterpillar raised its annual revenue growth forecast after beating second-quarter profit estimates on Tuesday, benefiting from a buildout of AI data centers that has spurred demand for its power-generation and construction equipment.Shares of the company jumped 11 per cent in premarket trading, sending Dow futures up 0.6 per cent, after it cut its full-year tariff costs forecast to around $2.2 billion from the previously expected $2.2 billion to $2.6 billion.Over the last few quarters, the equipment giant has seen a surge in orders for construction equipment amid a nationwide buildout of data centers as well as the backup power equipment needed for such buildings."Construction leading growth in the quarter was a standout," Oppenheimer analyst Kristen Owen said. The stock's reaction "reflects the importance of the durability of core Caterpillar businesses in sustaining the stock's momentum."Show MoreShow LessCaterpillar's results are often seen as a bellwether for the industrial economy. Its quarterly earnings beat and raised forecast signal that the AI-led demand boom for ancillary equipment is sustainable.In the April-to-June quarter, Caterpillar said it booked orders worth $9.4 billion, taking its order backlog to a record $72.1 billion.Its overall revenue grew 24 per cent to an all-time high of $20.54 billion in the quarter ending June 30.Core construction segment revenue grew 35 per cent in that period on strong retail sales, particularly in top market North America, where it recorded a 50 per cent jump.The power and energy arm, meanwhile, posted 17 per cent growth in revenue. The two segments accounted for a combined 81 per cent of Caterpillar's total revenue.The company builds power generators and backup power equipment under its power & energy segment, while its construction industries segment manufactures excavators and bulldozers.Caterpillar also said it recorded an expected tariff recovery of $392 million in the second quarter.It reported adjusted per-share profit of $8.17, compared with $4.72 per share a year earlier, well above analysts' expectation of $6.20 per share, according to data compiled by LSEG.