iNVEZZ.com Wednesday, July 3rd: Manhattan has become a battle zone for apartment buyers fighting over an ever-shrinking supply of properties. According to data released on Tuesday, residential real estate listings during the second quarter — the peak selling season in Manhattan – have reached their second lowest point on record, while property investment demand has remained strong, thus boosting prices in the residential segment. The city’s commercial property market has also been on the up as of late, with office rents rising to a four-year high, a separate report showed today.