The Globe and Mail reports in its Saturday edition that shares of Brookfield Infrastructure Partners LP are down, but that does not bother columnist John Heinzl. Mr. Heinzl writes that he has held Brookfield Infrastructure for many years, and it has rewarded him with growing distributions and, until recently, a rising stock price. As a long-term investor, he never sells a good company just because its share price has suffered a setback. In fact, Mr. Heinzl has even considered jumping in and adding to his position. In the past six months, units of the limited partnership whose global infrastructure portfolio includes utilities, communications towers, railways, toll roads and data centres have skidded 24 per cent, excluding distributions. Shares of sister company Brookfield Infrastructure Corp. (BIPC), have fared even worse, dropping about 30 per cent. Still, there is nothing inherently wrong with Brookfield Infrastructure's businesses. The chief problem is rising interest rates. In addition to making it more expensive for companies to run their operations and finance acquisitions, higher rates put downward pressure on stock market valuations because of competition from bonds and guaranteed investment certificates.