Carnival is trading at a discount due to volatility in fuel prices linked to the Iran war and investors should scoop up the stock, according to HSBC. The bank upgraded the cruise operator to buy from hold. It trimmed its price target on shares to $30.10 from $33.60, though that still suggests about 24% upside from Friday’s close. “While volatility [is] likely to remain near term, we see shares attractively valued,” HSBC analyst Meredith Prichard Jensen said Friday in a note to clients. “We think the current share price largely reflects fuel-related risk.” Carnival is susceptible to swings based on fuel price hikes related to the Iran war, given its “unhedged exposure” to the resource, according to HSBC. Since the beginning of the Middle East conflict in late February,…