Power Balance filed for bankruptcy in November 2011
According to Wikipedia:
"….. Power Balance is a brand of hologram bracelet once claimed by its manufacturers and vendors to "use holographic technology" to "resonate with and respond to the natural energy field of the body", and increase sporting ability. Numerous independent studies of the device found it to be completely ineffective at improving athletic performance, and the manufacturer was forced to retract its claims in 2010. …… In January 2011, a suit was filed against the company for fraud, false advertising, unfair competition and unjust enrichment. In November 2011, Power Balance filed for bankruptcy after suffering a net loss of more than $9 million that year…"