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Kroger is at a 'key technical juncture' after its worst day in six months, market watcher says

Keris Lahiff

Disappointing sales and weak guidance sent Kroger spiraling in its worst daily performance in six months. Its one-day sell-off has its stock at a "key technical juncture," Matt Maley , equity strategist at Miller Tabak, told CNBC's " Trading Nation " on Thursday. Kroger's move above $29.50 in late June marked a break above its old resistance level, says Maley.