Meyer Burger Technology AG (<a href="https://www.six-group.com/en/market-data/shares/share-explorer/share-details.CH1357065999CHF4.html#/" target="_blank">SWX:MBTN</a>) said on Monday that it has increased the amount of a bridge loan to USD 72.8 million (EUR 67.1m) as the struggling Swiss solar products manufacturer continues to seek buyers for its business.