Both police and organisers say at least 3,000 people took part in the demonstrations in Berlin after a call by left-wing organisations to protest against soaring prices and rents.
Ifo Business Climate indicator for Germany falls to a 29-month low of 84.3 in October.
As many as 28.8 percent of companies seeking credit in the services sector reported difficulties, around 8.4 percent of chemical companies and 22.5 percent automakers.
The Chancellery is planning to approve a Hamburg port deal with China despite opposition from six different ministries in Scholz's coalition government with the Greens and the liberal FDP.
German hospitals are threatened with insolvency because of energy, inflation crisis but the government is reluctant to introduce 'special fund' for clinics.
A key survey found that Germans were significantly more pessimistic about the prospects for the economy than in the previous month, with the sub-index hitting a low not seen since the start of the pandemic.
Germany has cautiously reopened and the economy has started bouncing back but economists say it is far from the pre-pandemic level.
As share markets flatlined on as uncertainty over the outlook for US interest rate cuts, the Chinese yuan's slump sapped their appetite for risk, with dealers saying state-owned banks were seen selling dollars to support the yuan.
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