When I attempt to pull a quote on symbol GSUM, my script throws this error and stops executing the main program: malformed JSON string, neither array, object, number, string or atom, at character offset 0 (before "(end of string)") at /usr/local/share/perl5/5.32/Finance/QuoteHist/Yahoo.pm line 227. Here's the code in question: sub { my $data = shift; $data = decode_json($data); my $data_result = $data->{chart}{result}[0] || {}; if ($target_mode eq "quote") { return $json_quote_parse->($data_result);...