Welcome to this week’s edition of top stock market highlights. Digital Core REIT (SGX: DCRU) Singapore data centre REITs have been rocked by unpleasant news from the US. Two years after launching an IPO and going public, Cyxtera Technologies (NASDAQ CYXT) has filed for bankruptcy protection. Cyxtera is a data centre operator which runs more than 60 data centres and provides co-location services to its clients. The bankruptcy filing has implications for three data centre REITs listed here as Cyxtera is a tenant in all three of them. The REIT with the largest exposure is Digital Core REIT (SGX: DCRU). Cyxtera is the REIT’s second-largest customer representing around 22.4% of annualised revenue. The data centre owner currently occupies five data centres in the US and 4% of another data centre in Frankfurt, Germany. This tenant has been current on all its rental obligations up till May but has yet to pay rent for this month....