Bloomberg Boingo Wireless, the WiFi service used by travellers, is exploring a potential sale after receiving takeover interest, according to people familiar with the matter. The Los Angeles-based mobile internet services provider is working with an adviser to explore its options and field potential offers, said the people, who asked to not be identified because the matter isn’t public. Boingo …

Bloomberg Shake Shack Inc tumbled in late trading after the burger-and-fries chain gave a revenue projection for 2020 that fell short of analysts’ projections. Comparable-store sales — a key measure of restaurant and retail performance — and revenue also fell more than anticipated in the fourth quarter, as delivery growth slowed amid a shift to a partnership with Grubhub Inc. …

Bloomberg Renewed fears that the coronavirus will harm global growth rocked commodity markets again on Monday, with oil and metals prices tumbling while gold soared towards $1,700 an ounce amid a flight to haven assets. As the deadly virus spreads more widely outside China, raising the threat of a global pandemic, finance chiefs and central bankers from the world’s largest …