Something isn't loading properly. Please check back later. The war with Iran is squeezing US businesses at a rate not seen in nearly four years, and it’s likely to cause them to raise prices for consumers even more. The Producer Price Index, a measure of wholesale inflation, increased in April to 6% on an annual basis from 4% in March, well exceeding economists’ expectations. On a monthly basis, the index increased 1.4%, according to data released Wednesday by the Bureau of Labor Statistics. That’s twice the pace that economists expected. A 15.6% increase in gas prices accounted for 40% of the increase in prices businesses paid last month. Even when excluding the volatile categories of food and energy, core PPI rose 1% for the month, pushing the annual rate to 5.2%. Wednesday’s report does not guarantee consumers will see prices rise at the same rates that businesses are experiencing.…