Hints and tips:
...According to an interview he gave to trade publication Trucks.com in 2019, his father was a manager at the Union Pacific railroad, and his mother died of cancer when he was a teenager....
...The shifting sand market has unnerved investors in railroads. At Union Pacific, the largest listed railroad company, frac sand accounts for 5 per cent of revenue, according to Bernstein Research....
...In the year to date CSX shares are down 14 per cent, while Union Pacific has dropped 5.6 per cent....
...Railroads compete strongly against trucking companies, which labour with higher fuel and labour costs....
...Union Pacific and Norfolk Southern rose 3.8 per cent, while Canadian Pacific gained 3.1 per cent and CSX was up 2.2 per cent. The companies being targeted by Berkshire have not been identified....
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