Abstract: This paper investigates the device activity detection problem in a massive multiple-input multiple-output system for near-field communications. In this setup, active devices transmit their ...

Golden Matrix Group ( (GMGI)) just unveiled an announcement. On December 31, 2025, Golden Matrix Group, Inc. disclosed that it had received a notice from Nasdaq stating the company was no longer in ...

Abstract: This work proposes an efficient, robust adaptive beamforming technique to deal with steering vector (SV) estimation mismatches and data covariance matrix reconstruction problems. In ...

A host of stocks just took hits because of what is known as tax-loss harvesting. Now, some of them are likely to bounce back—presenting an opportunity for a quick trade.

As traders enter the final trading week of the year, one familiar question dominates Wall Street chatter: Will the Santa Claus Rally show up again? • Newmont stock is trading near recent highs. What ...

Christmas EveEarly Close (1:00 p.m. ET)Christmas DayClosedNew Year’s EveOpen (Regular Hours)New Year’s DayClosed ...

Santa keeps delivering for quantum computing investors this year. On Monday, shares of well-known quantum computing firms shot up by double digits, with D-Wave Quantum stock up almost 15% and Quantum ...

ABSTRACT: A simple forcing-feedback model of the effect of CO2 on temperatures implies that the natural logarithm of the concentration of CO2 in the atmosphere, lnC , and satellite-measured lower ...

If you're looking to buy or trade on the stock market this holiday season, it might be a good idea to plan ahead. The U.S. bond market will also have an early closure on Dec. 24, with markets set to ...

U.S. stock markets will close early at 1 p.m. ET on Christmas Eve. The New York Stock Exchange and Nasdaq will be closed on Christmas Day. International markets, including those in London and Hong ...