(Reuters) - Best Buy Co Inc reported a 5.3% fall in quarterly same-store sales on Thursday, as the electronics retailer had to close stores due to the COVID-19 pandemic.Best Buy's revenue fell to $8.56 billion (£7 billion) from $9.14 billion, in the first quarter ended May 2. However, the company said domestic comparable online sales rose over 155%.The company's net earnings fell to $159 million, or 61 cents per share, from $265 million, or 98 cents per share, a year earlier.The company..