def regions():
    return [RegionInfo(name='us-east-1',
                       endpoint='sns.us-east-1.amazonaws.com',
                       connection_cls=SNSConnection),
            RegionInfo(name='eu-west-1',
                       endpoint='sns.eu-west-1.amazonaws.com',
                       connection_cls=SNSConnection),
            RegionInfo(name='us-west-1',
                       endpoint='sns.us-west-1.amazonaws.com',
                       connection_cls=SNSConnection),
            RegionInfo(name='sa-east-1',
                       endpoint='sns.sa-east-1.amazonaws.com',
                       connection_cls=SNSConnection),
            RegionInfo(name='us-west-2',
                       endpoint='sns.us-west-2.amazonaws.com',
                       connection_cls=SNSConnection),
            RegionInfo(name='ap-northeast-1',
                       endpoint='sns.ap-northeast-1.amazonaws.com',
                       connection_cls=SNSConnection),
            RegionInfo(name='ap-southeast-1',
                       endpoint='sns.ap-southeast-1.amazonaws.com',
                       connection_cls=SNSConnection),
            ]
@summary Computes daily returns centered around 1
dataset/ETHPy150Open darcyliu/storyboard/boto/sns/__init__.py/regions--crossover with--dataset/ETHPy150Open QuantSoftware/QuantSoftwareToolkit/QSTK/qstkutil/tsutil.py/daily1