That time Bitxtrade is the best site, in this u can invest any amount. There is no deposit limit.
services offer by bitxtrade is:
STARTER - Investments limit is 0 to 1 BTC, no limit for withdrawal.
STANDARD - Investments limit is 1 to 5 BTC , no limit for withdrawal.
PREMIUM - Investments limit is 6 to 10 BTC, no limit for withdrawal.
Refferal Bonous is 5%
Total Profit for
starter is 160%, standard is 180% and for premium is 200% in 60 days.