Bloomberg Kellogg Co.’s home market remains a challenge. The company posted second-quarter sales and profit that topped analysts’ estimates and raised its revenue forecast for the year. But struggles to ignite growth in its US cereal and snacks businesses damped investor enthusiasm. The shares fell as much as percent 3.8 percent to $66.79, the biggest intraday decline in three months. …

Bloomberg Synchrony Financial lost out to Capital One Financial Corp. for a credit-card contract with retail giant Walmart Inc. Now, the company is poised to defend its turf for a Walmart subsidiary. Capital One is interested in examining the Sam’s Club portfolio currently held by Synchrony, according to people familiar with the situation, who asked not to be identified because …

Bloomberg Oil fell to the lowest in more than a week amid a surprise jump in US crude inventories and an escalating trade dispute between the US and China. Futures in New York fell as much as 1.4 percent. The American Petroleum Institute was said to report US stockpiles rose 5.59 million barrels last week. Meanwhile, the US will propose …