Cloud mining companies seem to be going through difficult times. According the Hashflare's most recent update, it's due to a shortage of mining hardware available on the market. But apparently, it's only temporary.
In spite of the skepticism sourrounding the cryptocurrency market, the demand of services such as cloud mining seems to be growing.
Link to the official update: http://mailchi.mp/hashflare/mining-profitability-continues-to-grow-1182313