Ocado OCDO.L was promoted from the mid-cap FTSE 250 to the FTSE 100 in a quarterly reshuffle by index provider FTSE Russell that also saw bookmaker GVC GVC.L promoted. Ocado's shares rocketed 44 percent on the day the firm struck a major deal with U.S. supermarket Kroger (NYSE: KR ) KR.N. The stock is up 124 percent year-to-date thanks to a string of distribution deals cheered by the market. new environment for retail, with consumers shopping online for everything from clothes and groceries to baby accessories, was the clear driver behind this quarter's reshuffle, which was based on the companies' market capitalisation at the close of trading on Tuesday. Ocado's market cap has ballooned to 6.1 billion pounds ($8.11 billion), overtaking that of several FTSE 100 companies and triggering the promotion.